Spacer arrangement

Details Spacer arrangement Spacer arrangement

2008-07-08

2008-07-08

Kershteyn, Igor (Department: 3745)

Rotary kinetic fluid motors or pumps

Including thermal expansion joint

Radially sliding

C416S138000, C416S149000

Reexamination Certificate

active

07396203

ABSTRACT:
A spacer arrangement1, 40is provided in which wedges5, 6; 45, 46are arranged to have an interface7, 47between them such that a thermally variable member8, 48can cause relative motion between the wedges5, 6; 45, 46to adjust an arrangement lateral dimension dependent upon temperature. In such circumstances with the arrangement1, 40positioned within a gap3between a casing14and unison ring13, retention of position of that unison ring13can be maintained. The unison ring is arranged to adjust position of variable vanes.

REFERENCES:
patent: 2933234 (1960-04-01), Neumann
patent: 3854843 (1974-12-01), Penny
patent: 5035573 (1991-07-01), Tseng et al.
patent: 5228828 (1993-07-01), Damlis et al.
patent: 5333993 (1994-08-01), Stueber et al.
patent: 6406256 (2002-06-01), Marx
patent: 6733235 (2004-05-01), Alford et al.
patent: 6896484 (2005-05-01), Diakunchak
patent: 1 533 986 (1978-11-01), None

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